Difference between revisions of "Transformation of PGD2 to PGJ2"
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− | | | + | |3.3E+6 |
− | | | + | |M-1 min-1 |
− | | | + | |25°C and 0.055 ionic strength |
− | | | + | |H2CO3 to CO2 |
− | | B | + | |<ref name="Gibbons1963”>[http://www.jbc.org/content/238/10/3502.full.pdf B. Gibbons "Rate of Hydration of Carbon Dioxide and Dehydration of Carbonic Acid at 25" J Biol Chem. 1963 Oct;238:3502-7]</ref> |
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− | | | + | |< 8E-04 |
− | | | + | |N/A |
− | | | + | |OH Radicals in the Presence of Added Gas Phase HNO3 (3 ppmv n-pentadecane, 0.25, 0.50, 1.0, or 2.0 ppmv HNO3, 10 ppmv O3, and 2 ppmv TME were added from a glass bulb in a flow of N2) |
− | | | + | |Acid-Catalyzed Dehydration of Cyclic Hemiacetals (n-Pentadecane) in SOA |
− | | | + | [[File:Cyclic Hemiacetals.PNG |center|500px]] |
+ | |<ref name="Ranney2016”>[http://pubs.acs.org/doi/pdf/10.1021/acs.jpca.6b01402 A. Ranney "Kinetics of Acid-Catalyzed Dehydration of Cyclic Hemiacetals in Organic Aerosol Particles in Equilibrium with Nitric Acid Vapor" J. Phys. Chem. A, 2016, 120 (16), pp 2561–2568]</ref> | ||
+ | |- | ||
+ | |4E-04 | ||
+ | |N/A | ||
+ | |PH of 100 cc. 0-02N NaHCO3, saturated with C02, into which 0 95 cc. | ||
+ | |H2CO3 | ||
+ | |<ref name="BUYTENDYK1927”>[https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1251954/pdf/biochemj01144-0128.pdf F. BUYTENDYK "A Study of the System Carbonic Acid, Carbon Dioxide and Water - Determination of the True Dissociation-constant of Carbonic Acid" Biochem J. 1927; 21(3): 576–584.]</ref> | ||
+ | |- | ||
+ | |4.4E-4 | ||
+ | |N/A | ||
+ | |In a 0O008 mol. solution of carbonic acid at 4°, 1-23 % is present as H2CO3 | ||
+ | |H2CO3 | ||
+ | |<ref name="Thiel1914”>[http://onlinelibrary.wiley.com/doi/10.1002/cber.191404701173/epdf Thiel and Strohecker (1914). Ber. deutsch. chem. Gem. 47, 945, 1061.]</ref> | ||
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Revision as of 11:55, 3 April 2017
Due to the lack of PGD2 production by keratinocyte and fibroblast cells, the anti-inflammatory cyclopentanones, PGJ2 and 15d-PGJ2, will not be produced during early experimental procedures either.
Reaction
Chemical equation
Rate equation
Parameters
Value | Units | Conditions | Substrate | Reference |
---|---|---|---|---|
3.3E+6 | M-1 min-1 | 25°C and 0.055 ionic strength | H2CO3 to CO2 | [1] |
Value | Units | Conditions | Substrate | Reference |
---|---|---|---|---|
Value | Units | Conditions | Substrate | Reference |
---|---|---|---|---|
< 8E-04 | N/A | OH Radicals in the Presence of Added Gas Phase HNO3 (3 ppmv n-pentadecane, 0.25, 0.50, 1.0, or 2.0 ppmv HNO3, 10 ppmv O3, and 2 ppmv TME were added from a glass bulb in a flow of N2) | Acid-Catalyzed Dehydration of Cyclic Hemiacetals (n-Pentadecane) in SOA | [2] |
4E-04 | N/A | PH of 100 cc. 0-02N NaHCO3, saturated with C02, into which 0 95 cc. | H2CO3 | [3] |
4.4E-4 | N/A | In a 0O008 mol. solution of carbonic acid at 4°, 1-23 % is present as H2CO3 | H2CO3 | [4] |
Related Reactions
- Transformation of PGJ2 to 15-D-PGJ2
- ↑ B. Gibbons "Rate of Hydration of Carbon Dioxide and Dehydration of Carbonic Acid at 25" J Biol Chem. 1963 Oct;238:3502-7
- ↑ A. Ranney "Kinetics of Acid-Catalyzed Dehydration of Cyclic Hemiacetals in Organic Aerosol Particles in Equilibrium with Nitric Acid Vapor" J. Phys. Chem. A, 2016, 120 (16), pp 2561–2568
- ↑ F. BUYTENDYK "A Study of the System Carbonic Acid, Carbon Dioxide and Water - Determination of the True Dissociation-constant of Carbonic Acid" Biochem J. 1927; 21(3): 576–584.
- ↑ Thiel and Strohecker (1914). Ber. deutsch. chem. Gem. 47, 945, 1061.